Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673341 | Intra-liquid optical measuring sensor and contamination preventing method | Hiroto Takesue | 1997-09-30 |
| 5633460 | Ocean environment monitoring system and method for controlling the same | Kyoko Manmaru | 1997-05-27 |